diff --git a/dft/simd/common/n2fv_8.c b/dft/simd/common/n2fv_8.c
index 85146b0d..4a25a411 100644
--- a/dft/simd/common/n2fv_8.c
+++ b/dft/simd/common/n2fv_8.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2003, 2007-14 Matteo Frigo
  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
+ * Copyright (C) 2019, Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/dft/simd/common/q1fv_4.c b/dft/simd/common/q1fv_4.c
index e1b77cfd..bf4b3389 100644
--- a/dft/simd/common/q1fv_4.c
+++ b/dft/simd/common/q1fv_4.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2003, 2007-14 Matteo Frigo
  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
+ * Copyright (C) 2019, Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/dft/simd/common/q1fv_8.c b/dft/simd/common/q1fv_8.c
index 1a65a2fb..2d89a518 100644
--- a/dft/simd/common/q1fv_8.c
+++ b/dft/simd/common/q1fv_8.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2003, 2007-14 Matteo Frigo
  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
+ * Copyright (C) 2019, Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/simd-support/simd-avx.h b/simd-support/simd-avx.h
index 38ddbc17..def6a11f 100644
--- a/simd-support/simd-avx.h
+++ b/simd-support/simd-avx.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2003, 2007-14 Matteo Frigo
  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
+ * Copyright (C) 2019, Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/simd-support/simd-avx2.h b/simd-support/simd-avx2.h
index 356544f3..8dee6ea7 100644
--- a/simd-support/simd-avx2.h
+++ b/simd-support/simd-avx2.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2003, 2007-14 Matteo Frigo
  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
+ * Copyright (C) 2019, Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * Modifications by Romain Dolbeau & Erik Lindahl, derived from simd-avx.h
  * Romain Dolbeau hereby places his modifications in the public domain.